Lærke — ORC Rating | RegattaPages

GPH

748.6

OSN

725.3

LOA

9.088 m

Displacement

5500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5334

Medium

0.7304

High

0.8745

Triple Offshore

Low

0.6897

Medium

0.9071

High

1.0399

Boat Specifications

Dimensions

Length overall: 9.088 m
Beam: 2.77 m
Draft: 1.26 m
Displacement: 5500 kg
Crew weight: 504 kg
Wetted surface: 23.19 m²

Sails

Mainsail: 26.73 m²
Genoa: 25.18 m²
Spinnaker: 58.04 m²
Asymmetric spinnaker: 0 m²

Design

Type: ONE OFF/SPISSGATTE
Builder: Kais Båtbyggeri
Year built: 1991
Stability index: 142.7

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,45.3,3.909611,52,4.29,60,4.55,75,4.7,90,4.71,110,4.76,120,4.61,135,4.14,146.9,3.64084,150,3.53
8,43.5,4.563161,52,5.07,60,5.32,75,5.48,90,5.63,110,5.7,120,5.55,135,5.07,150,4.49,152,4.417023
10,43,5.059112,52,5.63,60,5.86,75,6.03,90,6.25,110,6.31,120,6.21,135,5.85,150,5.29,155.6,5.062131
12,42.7,5.470023,52,6.01,60,6.2,75,6.36,90,6.59,110,6.67,120,6.59,135,6.35,150,5.95,161.3,5.553149
14,41.8,5.741298,52,6.25,60,6.42,75,6.58,90,6.82,110,6.95,120,6.88,135,6.68,150,6.39,173.6,5.866561
16,40.9,5.900615,52,6.41,60,6.57,75,6.75,90,6.97,110,7.2,120,7.15,135,6.96,150,6.69,178.1,6.283455
20,40.2,6.035643,52,6.57,60,6.76,75,7.03,90,7.15,110,7.59,120,7.64,135,7.49,150,7.2,179,6.841042

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.29	4.55	4.7	4.71	4.76	4.61	4.14	3.53
8	5.07	5.32	5.48	5.63	5.7	5.55	5.07	4.49
10	5.63	5.86	6.03	6.25	6.31	6.21	5.85	5.29
12	6.01	6.2	6.36	6.59	6.67	6.59	6.35	5.95
14	6.25	6.42	6.58	6.82	6.95	6.88	6.68	6.39
16	6.41	6.57	6.75	6.97	7.2	7.15	6.96	6.69
20	6.57	6.76	7.03	7.15	7.59	7.64	7.49	7.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.3°	2.75	146.9°	3.05
8	43.5°	3.31	152°	3.9
10	43°	3.7	155.6°	4.61
12	42.7°	4.02	161.3°	5.26
14	41.8°	4.28	173.6°	5.83
16	40.9°	4.46	178.1°	6.28
20	40.2°	4.61	179°	6.84

Loading polar chart…